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<html lang="en">

<head>
    <meta charset="UTF-8">
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    <title>29 Promise-catch方法</title>
</head>

<body>
    <p>Promise-catch是个语法糖</p>
    <script>
        const p = new Promise((resolve, reject) => {
            setTimeout(() => {
                reject('出错了');
            }, 1000);
        });

        // p.then(value => { }, reason => {
        //     console.error(reason);
        // });

        p.catch(reason => {
            console.warn(reason);
        });

    </script>
</body>

</html>